19419192

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20747}}^1$

素因数の和:20772

約数の個数: 48

約数和(自身を含む): 56642040

約数和(自身を除く): 37222848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20747, 41494, 62241, 82988, 124482, 165976, 186723, 248964, 269711, 373446, 497928, 539422, 746892, 809133, 1078844, 1493784, 1618266, 2157688, 2427399, 3236532, 4854798, 6473064, 9709596, 19419192]

約数ペア:

[(1, 19419192), (2, 9709596), (3, 6473064), (4, 4854798), (6, 3236532), (8, 2427399), (9, 2157688), (12, 1618266), (13, 1493784), (18, 1078844), (24, 809133), (26, 746892), (36, 539422), (39, 497928), (52, 373446), (72, 269711), (78, 248964), (104, 186723), (117, 165976), (156, 124482), (234, 82988), (312, 62241), (468, 41494), (936, 20747)]